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Finding the Fourth Proportional to 16,650.78, 24,947.37 and 8,835.90

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Solution

The fourth proportional to 16,650.78, 24,947.37 and 8,835.90 is: 13,238.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,650.78 : 24,947.37 = 8,835.90 : x
  2. Step 2: Convert to fraction form
    16,650.78/24,947.37 = 8,835.90/x
  3. Step 3: Cross multiply
    16,650.78x = 24,947.37 × 8,835.90
  4. Step 4: Simplify right side
    16,650.78x = 220,432,466.58
  5. Step 5: Solve for x
    x = 220,432,466.58/16,650.78
  6. Step 6: Final answer
    x = 13,238.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.